谁来帮我判断这2句话哪个是对的?⒈ I dont"t know I can complete it or not.⒉ I

I believe not和I don't believe it哪个说法是对的 whether or not I can participate in it?i这句话对吗?怎么翻译? I dont't know what can't be came ture! 英语翻译哪位能帮我翻译一下这句话?I don't even know if I can read it i don't know whether it will rain or not .but if it __.i sha I don't know whether it is true 【or not】.加不加 or not 有什么区别? 疑问词加不定式I dont't know how to do it.一定要加it吗?为什么?这句话是宾语从句吗? I don't know how I can fly a kite.I dont know how _____ ____ 英语翻译I don't know i whether or not can make my dream come tru I'm not sure whether I can complete the work on time.这句话对吗 i dont even know 还是 I even dont know? 那个是对的?或者那个更地道? 1.I know it's not important but I can't help_____about it.